Home / 11,555,242.47-15,946,038.53-6,398,493.30

Finding the Fourth Proportional to 11,555,242.47, 15,946,038.53 and 6,398,493.30

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Solution

The fourth proportional to 11,555,242.47, 15,946,038.53 and 6,398,493.30 is: 8,829,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,242.47 : 15,946,038.53 = 6,398,493.30 : x
  2. Step 2: Convert to fraction form
    11,555,242.47/15,946,038.53 = 6,398,493.30/x
  3. Step 3: Cross multiply
    11,555,242.47x = 15,946,038.53 × 6,398,493.30
  4. Step 4: Simplify right side
    11,555,242.47x = 102,030,620,663,754.38
  5. Step 5: Solve for x
    x = 102,030,620,663,754.38/11,555,242.47
  6. Step 6: Final answer
    x = 8,829,812.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.